Simplify by combining like terms. 8x + 9 - 4x + 12 SOMEONE PLS HELPP, I NEED TO TAKE THIS TEST TO BRING UP MY GRADE PLS ANSWER FAST‼️‼️‼️

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)

1.) 21

2.) 0.453

3.) 1.5

4.) 48

5.) $ 22

step-by-step explanation:

i think it is d. hope this